Mine

on *:text:!floodon:#:{ 
  if ($nick isop $chan) || ($nick ishop $chan) { 
    if (%floodchan) {
      notice $nick 11flood protection is already on for12 $chan 
    }
    else {
      set %floodchan $addtok(%floodchan,$chan,44) 
      msg $chan 11Flood protection is now on for12 $chan 
    } 
  }
}
on *:text:!floodoff:#:{ 
  if ($nick isop $chan) || ($nick ishop $chan) {
    if (%floodchan) {
      set %floodchan $remtok(%floodchan,$chan,1,44) 
      msg $chan 11Flood protection is now off for12 $chan 
    } 
    else {
      notice $nick 11Flood protection is already turned off for12 $chan
    } 
  }
}
on *:text:*:%floodchan: { 
  if $nick !isop $chan { 
    hadd -mu10 chanflood $+($nick,.,$chan,.,$ticks) 1 
    if ($hfind(chanflood,$+($nick,.*),0,w) > 4) { 
      ban $+(-,ku,$calc(60)) $chan $nick $nick Dont Flood $chan !!! (1 Minute Ban) 
    } 
  } 
}